US5632633A - Method of manufacturing a grounding connector and improved grounding connector - Google Patents

Method of manufacturing a grounding connector and improved grounding connector Download PDF

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Publication number
US5632633A
US5632633A US08/695,545 US69554596A US5632633A US 5632633 A US5632633 A US 5632633A US 69554596 A US69554596 A US 69554596A US 5632633 A US5632633 A US 5632633A
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US
United States
Prior art keywords
fixture block
electrical connector
wedge
connector
section
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
US08/695,545
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English (en)
Inventor
Joannes W. M. Roosdorp
Wilson M. Yamada
Alexandre M. Soriano
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Whitaker LLC
Original Assignee
Whitaker LLC
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Whitaker LLC filed Critical Whitaker LLC
Priority to US08/695,545 priority Critical patent/US5632633A/en
Application granted granted Critical
Publication of US5632633A publication Critical patent/US5632633A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/28—Clamped connections, spring connections
    • H01R4/50—Clamped connections, spring connections utilising a cam, wedge, cone or ball also combined with a screw
    • H01R4/5083—Clamped connections, spring connections utilising a cam, wedge, cone or ball also combined with a screw using a wedge
    • H01R4/5091—Clamped connections, spring connections utilising a cam, wedge, cone or ball also combined with a screw using a wedge combined with a screw
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/28—Clamped connections, spring connections
    • H01R4/50—Clamped connections, spring connections utilising a cam, wedge, cone or ball also combined with a screw
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/58—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation characterised by the form or material of the contacting members
    • H01R4/64—Connections between or with conductive parts having primarily a non-electric function, e.g. frame, casing, rail
    • H01R4/646—Connections between or with conductive parts having primarily a non-electric function, e.g. frame, casing, rail for cables or flexible cylindrical bodies

Definitions

  • the present application relates to a method of manufacturing grounding connectors, and to an improved grounding connector manufactured according to the method. More specifically, the present invention relates to a process of manufacturing grounding connectors which produces a grounding connector that is lighter, is of a reduced size, and is of a low manufacturing cost, since the components of the grounding connector are manufactured by a stamping process.
  • grounding systems provide a path for the transfer of electrical energy, either for intentional or accidental reasons, to the earth thereby protecting electrical equipment.
  • grounding connectors of the wedge-type were developed.
  • the grounding connectors are reliable and require no special installation equipment other than a common socket, ratchet, or impact wrench.
  • the simplicity of the installation eliminates the requirement of special skills, which in turn minimizes application time.
  • the grounding connectors of the prior art present the advantage of being applied in virtually all weather conditions and situations.
  • grounding connectors present the disadvantage of being heavy and non-compact since the grounding connectors are comprised of a strong, solid body of copper alloy which is manufactured by a die-casting process.
  • grounding connectors which reduces raw material usage and thus reduces the manufacturing cost of the grounding connectors, thereby permitting the manufacturing of improved grounding connectors, but which are more practical and of a lighter weight.
  • the present invention discloses a stamping manufacturing process for wedge-type grounding connectors, and further discloses an improved grounding connector.
  • the manufacturing process proposed for the manufacturing of grounding connectors of the present invention is based on a stamping process utilizing progressive tooling, i.e., it is based on the entering of raw material, for example a metallic strip, in the tooling wherein all conformation steps of the grounding connectors are performed in a sequential way, inside the progressive tooling. At the end of the process, the grounding connectors come out from the tool entirely finished and ready to be used.
  • grounding connector employing less raw material and in a quicker way than the manufacturing process for manufacturing grounding connectors employed in the prior art which uses a die-casting process.
  • the present invention provides an improved wedge-type grounding connector basically comprised of a body, a wedge, a commercial shear-head bolt, two conductor nests, and a bolt fixture block.
  • the components are lighter, of a reduced size and of a low manufacturing cost since the components of the grounding connector are manufactured by the stamping process described above.
  • FIG. 1 is an exploded view showing the components of a grounding connector of the present invention
  • FIGS. 2A and 2B are sectional views showing the assembled grounding connector of FIG. 1;
  • FIG. 3 is a schematic view showing the assembled grounding connector of the present invention.
  • the improved grounding connector 1 of the present invention manufactured by a progressive tooling stamping process, is basically comprised of a hollow body 2, a wedge 3, a shear-head bolt 4, two nests 5, 6 for grounding cables 7 and rods 8 and a fixture block 9.
  • the hollow body 2 of the grounding connector 1 has a general double "J" shape, the two portions in the "J” shape being joined together by one of the ends of the body 2 where a window 10 is found, the window 10 being of a rectangular shape and is designed to receive the fixture block 9.
  • the wedge 3 has a general trapezoidal shape and is also hollow and has a through hole 11 to receive the shear-head bolt 4.
  • the shear-head bolt 4 used on the present invention is of the same type used on the existent grounding connectors.
  • Nests 5, 6 have general rectangular "U shaped" cutouts 12 in side walls 14, which are designed to accommodate specific wires or a rod size combination.
  • the fixture block 9 of the present invention is of such a size as to be fit into the rectangular window 10 of the hollow body 2, and, further, a through hole 13 is formed therein to receive the shear-head bolt 4.
  • the function of fixture block 9 is to support the shear-head bolt 4 and to move wedge 3 towards the grounding rod 8 so that it can be pressed against the body 2, nests 5, 6 and the cable 7.
  • the wedge 3 of the grounding connector 1 is pre-assembled on the body 2, by the bolt fixture block 9 and the shear-head bolt 4 before starting the conductor assembly.
  • the wedge 3 is pushed into connector 1 and the shear-head bolt is manually pre-tightened. Then, the fixture block 9 of the shear-head bolt 4 will be fixed in the hollow body 2 by the action of opposite reaction forces on the side boarders of the fixture block 9 when the shear-head bolt 4 is tightened, thereby pushing the wedge into the hollow body 2 as shown in FIGS. 2A and 2B.
  • shear-head bolt 4 is tightened until a specific torque is reached, thus indicating the conclusion of the connection by means of shearing off the bolt head.
  • the taper of wedge 3 forces the body to spring open thereby resulting in a spring action of the body 2 on the grounding rod 8 and cable 7.

Landscapes

  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Manufacturing Of Electrical Connectors (AREA)
  • Cable Accessories (AREA)
US08/695,545 1994-01-17 1996-08-12 Method of manufacturing a grounding connector and improved grounding connector Expired - Lifetime US5632633A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US08/695,545 US5632633A (en) 1994-01-17 1996-08-12 Method of manufacturing a grounding connector and improved grounding connector

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
BR9400114A BR9400114A (pt) 1994-01-17 1994-01-17 Processo de fabricação de conector para aterramento e conector para aterramento aperfeiçoado
BR9400114-6 1994-01-17
US36309794A 1994-12-22 1994-12-22
US08/695,545 US5632633A (en) 1994-01-17 1996-08-12 Method of manufacturing a grounding connector and improved grounding connector

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
US36309794A Continuation 1994-01-17 1994-12-22

Publications (1)

Publication Number Publication Date
US5632633A true US5632633A (en) 1997-05-27

Family

ID=4058098

Family Applications (1)

Application Number Title Priority Date Filing Date
US08/695,545 Expired - Lifetime US5632633A (en) 1994-01-17 1996-08-12 Method of manufacturing a grounding connector and improved grounding connector

Country Status (11)

Country Link
US (1) US5632633A (fr)
JP (1) JPH07263044A (fr)
CN (1) CN1062983C (fr)
BR (1) BR9400114A (fr)
CA (1) CA2137413C (fr)
CZ (1) CZ4995A3 (fr)
ES (1) ES2106675B1 (fr)
MY (1) MY111996A (fr)
PH (1) PH30871A (fr)
PL (1) PL175306B1 (fr)
ZA (1) ZA949753B (fr)

Cited By (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5944566A (en) * 1996-10-02 1999-08-31 Woertz Ag Terminal for connecting an electrical conductor to a bus bar
US6048233A (en) * 1998-05-11 2000-04-11 Mainstream Engineering Corp. Retrofit arrangement for attaching leads to compressor motor terminals
US20050227516A1 (en) * 2004-04-09 2005-10-13 Thomas & Betts International, Inc. Grounding clamp for a raised floor
US7198495B1 (en) * 2006-03-20 2007-04-03 Timothy L Youtsey Electrical bonding block with grounding lug
US7232775B1 (en) * 2006-05-11 2007-06-19 Mainstream Engineering Corp. Connector body for a lead attachment retrofit arrangement
US20070284129A1 (en) * 2006-06-12 2007-12-13 Noah Montena Tamper Resistant Electrical Ground Block
US20080217490A1 (en) * 2007-03-08 2008-09-11 Panduit Corp. Common bonding network clamp
US20080217491A1 (en) * 2007-03-08 2008-09-11 Panduit Corp. Common bonding network clamp
US20090068873A1 (en) * 2007-09-10 2009-03-12 Fci Americas Technology, Inc. Electrical connector
US20100221934A1 (en) * 2009-02-27 2010-09-02 Fci Americas Technology, Inc. Ground connector
US20100221935A1 (en) * 2009-02-27 2010-09-02 Fci Americas Technology, Inc. Ground connector
US20110065333A1 (en) * 2009-09-11 2011-03-17 Burndy Technology Llc Pedestal ground connector
US7922546B1 (en) 2009-12-02 2011-04-12 Thomas & Betts Intenational, Inc. Grounding clamp
US8579658B2 (en) 2010-08-20 2013-11-12 Timothy L. Youtsey Coaxial cable connectors with washers for preventing separation of mated connectors
US8882520B2 (en) 2010-05-21 2014-11-11 Pct International, Inc. Connector with a locking mechanism and a movable collet
US9028276B2 (en) 2011-12-06 2015-05-12 Pct International, Inc. Coaxial cable continuity device
US9240636B2 (en) 2011-05-19 2016-01-19 Pct International, Inc. Coaxial cable connector having a coupling nut and a conductive insert with a flange
US20170073995A1 (en) * 2015-09-15 2017-03-16 Safway Services, Llc Clamp for temporary structure sheeting and related methods
US9787004B2 (en) 2015-05-20 2017-10-10 Thomas & Betts International Llc Floor ground clamp
US10074916B2 (en) 2014-09-18 2018-09-11 Ppc Broadband, Inc. Grounding blocks for wires/coaxial cables
US20190165500A1 (en) * 2016-08-04 2019-05-30 Hubbell Incorporated Tap clamp
US10439302B2 (en) 2017-06-08 2019-10-08 Pct International, Inc. Connecting device for connecting and grounding coaxial cable connectors
RU2773306C1 (ru) * 2021-06-09 2022-06-01 Александр Николаевич Беляев Зажим для присоединения внешних проводников
EP4107815A4 (fr) * 2020-02-17 2024-03-06 Burndy Llc Connecteur à interface captive

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101752753B (zh) * 2008-12-15 2013-11-13 富士康(昆山)电脑接插件有限公司 使用螺纹连接件的电连接器
CA2778565C (fr) 2011-06-01 2017-08-15 Thomas & Betts International, Inc. Connecteur d'embase

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US1909332A (en) * 1931-11-02 1933-05-16 Blackburn Jasper Guard rail fitting
US3065452A (en) * 1959-08-03 1962-11-20 Burndy Corp Connector
US3924920A (en) * 1974-06-10 1975-12-09 Western Electric Co Device for clamping elongated member
US4114977A (en) * 1977-05-09 1978-09-19 Utm Power Products, Inc. Single wedge-type grid wire connector
US4279461A (en) * 1979-10-10 1981-07-21 International Telephone And Telegraph Corporation Wedge connector
US4415222A (en) * 1981-01-19 1983-11-15 Mario Polidori Electrical connector
US4600264A (en) * 1985-01-16 1986-07-15 Utm Power Products, Inc. Electric tap connector
US4650273A (en) * 1984-11-30 1987-03-17 Amp Incorporated Electrical wedge connector
US4723921A (en) * 1986-12-04 1988-02-09 Amp Incorporated Electrical connector
US4734062A (en) * 1986-12-04 1988-03-29 Amp Incorporated Electrical connector
US4857020A (en) * 1987-02-10 1989-08-15 Tridem Manufactured Products Inc. Tap connector
US4863403A (en) * 1988-06-27 1989-09-05 Amp Incorporated Electrical power tap
US4911572A (en) * 1988-06-13 1990-03-27 Houston Industries Incorporated Cable tie back clamp
US4915653A (en) * 1988-12-16 1990-04-10 Amp Incorporated Electrical connector
US5005081A (en) * 1987-03-20 1991-04-02 Sony Corporation Method and apparatus for reducing noise in a video signal
US5152701A (en) * 1991-07-24 1992-10-06 Mario Polidori Grid connector
US5244422A (en) * 1992-09-04 1993-09-14 The Whitaker Corporation Wedge connector
US5320565A (en) * 1990-06-14 1994-06-14 Nicholas B. Polidori Electrical grid interconnector

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1286012C (fr) * 1988-09-09 1991-07-09 Robin Paul Cera Connecteur de mise a la terre pour applications electriques

Patent Citations (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1909332A (en) * 1931-11-02 1933-05-16 Blackburn Jasper Guard rail fitting
US3065452A (en) * 1959-08-03 1962-11-20 Burndy Corp Connector
US3924920A (en) * 1974-06-10 1975-12-09 Western Electric Co Device for clamping elongated member
US4114977A (en) * 1977-05-09 1978-09-19 Utm Power Products, Inc. Single wedge-type grid wire connector
US4279461A (en) * 1979-10-10 1981-07-21 International Telephone And Telegraph Corporation Wedge connector
US4415222A (en) * 1981-01-19 1983-11-15 Mario Polidori Electrical connector
US4650273A (en) * 1984-11-30 1987-03-17 Amp Incorporated Electrical wedge connector
US4600264A (en) * 1985-01-16 1986-07-15 Utm Power Products, Inc. Electric tap connector
US4723921A (en) * 1986-12-04 1988-02-09 Amp Incorporated Electrical connector
US4734062A (en) * 1986-12-04 1988-03-29 Amp Incorporated Electrical connector
US4857020A (en) * 1987-02-10 1989-08-15 Tridem Manufactured Products Inc. Tap connector
US5005081A (en) * 1987-03-20 1991-04-02 Sony Corporation Method and apparatus for reducing noise in a video signal
US4911572A (en) * 1988-06-13 1990-03-27 Houston Industries Incorporated Cable tie back clamp
US4863403A (en) * 1988-06-27 1989-09-05 Amp Incorporated Electrical power tap
US4915653A (en) * 1988-12-16 1990-04-10 Amp Incorporated Electrical connector
US5320565A (en) * 1990-06-14 1994-06-14 Nicholas B. Polidori Electrical grid interconnector
US5152701A (en) * 1991-07-24 1992-10-06 Mario Polidori Grid connector
US5244422A (en) * 1992-09-04 1993-09-14 The Whitaker Corporation Wedge connector

Cited By (41)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5944566A (en) * 1996-10-02 1999-08-31 Woertz Ag Terminal for connecting an electrical conductor to a bus bar
US6048233A (en) * 1998-05-11 2000-04-11 Mainstream Engineering Corp. Retrofit arrangement for attaching leads to compressor motor terminals
US20050227516A1 (en) * 2004-04-09 2005-10-13 Thomas & Betts International, Inc. Grounding clamp for a raised floor
US6986673B2 (en) * 2004-04-09 2006-01-17 Thomas & Betts International, Inc. Grounding clamp for raised floor
US7198495B1 (en) * 2006-03-20 2007-04-03 Timothy L Youtsey Electrical bonding block with grounding lug
US7232775B1 (en) * 2006-05-11 2007-06-19 Mainstream Engineering Corp. Connector body for a lead attachment retrofit arrangement
US20070284129A1 (en) * 2006-06-12 2007-12-13 Noah Montena Tamper Resistant Electrical Ground Block
US7345240B2 (en) * 2006-06-12 2008-03-18 John Mezzalingua Associates, Inc. Tamper resistant electrical ground block
US20080217490A1 (en) * 2007-03-08 2008-09-11 Panduit Corp. Common bonding network clamp
US20080217491A1 (en) * 2007-03-08 2008-09-11 Panduit Corp. Common bonding network clamp
US7708234B2 (en) 2007-03-08 2010-05-04 Panduit Corp. Common bonding network clamp
US20100171003A1 (en) * 2007-03-08 2010-07-08 Panduit Corp. Common Bonding Network Clamp
US7703722B2 (en) 2007-03-08 2010-04-27 Panduit Corp. Common bonding network clamp
US20090068873A1 (en) * 2007-09-10 2009-03-12 Fci Americas Technology, Inc. Electrical connector
US7670153B2 (en) 2007-09-10 2010-03-02 Burndy Technology Llc Electrical connector
US20100221934A1 (en) * 2009-02-27 2010-09-02 Fci Americas Technology, Inc. Ground connector
US20100221935A1 (en) * 2009-02-27 2010-09-02 Fci Americas Technology, Inc. Ground connector
US7794243B1 (en) * 2009-02-27 2010-09-14 Burndy Technology, LLC Ground connector
US20100299909A1 (en) * 2009-02-27 2010-12-02 Burndy Technology Llc Ground connector
US8341822B2 (en) 2009-02-27 2013-01-01 Hubbell Incorporated Ground connector
US8038453B2 (en) * 2009-02-27 2011-10-18 Hubbell Incorporated Ground connector
US20110065333A1 (en) * 2009-09-11 2011-03-17 Burndy Technology Llc Pedestal ground connector
US8313334B2 (en) 2009-09-11 2012-11-20 Hubbell Incorporated Pedestal ground connector
US7922546B1 (en) 2009-12-02 2011-04-12 Thomas & Betts Intenational, Inc. Grounding clamp
US8882520B2 (en) 2010-05-21 2014-11-11 Pct International, Inc. Connector with a locking mechanism and a movable collet
US8579658B2 (en) 2010-08-20 2013-11-12 Timothy L. Youtsey Coaxial cable connectors with washers for preventing separation of mated connectors
US9240636B2 (en) 2011-05-19 2016-01-19 Pct International, Inc. Coaxial cable connector having a coupling nut and a conductive insert with a flange
US9768566B2 (en) 2011-12-06 2017-09-19 Pct International, Inc. Coaxial cable continuity device
US9028276B2 (en) 2011-12-06 2015-05-12 Pct International, Inc. Coaxial cable continuity device
US9577391B2 (en) 2011-12-06 2017-02-21 Pct International, Inc. Coaxial cable continuity device
US10074916B2 (en) 2014-09-18 2018-09-11 Ppc Broadband, Inc. Grounding blocks for wires/coaxial cables
US9787004B2 (en) 2015-05-20 2017-10-10 Thomas & Betts International Llc Floor ground clamp
US20170073995A1 (en) * 2015-09-15 2017-03-16 Safway Services, Llc Clamp for temporary structure sheeting and related methods
US10352065B2 (en) * 2015-09-15 2019-07-16 Brandsafway Services Llc Clamp for temporary structure sheeting and related methods
US20190165500A1 (en) * 2016-08-04 2019-05-30 Hubbell Incorporated Tap clamp
US10680357B2 (en) * 2016-08-04 2020-06-09 Hubbell Incorporated Tap clamp
US11024992B2 (en) * 2016-08-04 2021-06-01 Hubbell Incorporated Tap clamp
US10439302B2 (en) 2017-06-08 2019-10-08 Pct International, Inc. Connecting device for connecting and grounding coaxial cable connectors
US10855003B2 (en) 2017-06-08 2020-12-01 Pct International, Inc. Connecting device for connecting and grounding coaxial cable connectors
EP4107815A4 (fr) * 2020-02-17 2024-03-06 Burndy Llc Connecteur à interface captive
RU2773306C1 (ru) * 2021-06-09 2022-06-01 Александр Николаевич Беляев Зажим для присоединения внешних проводников

Also Published As

Publication number Publication date
ZA949753B (en) 1995-08-17
ES2106675A1 (es) 1997-11-01
MY111996A (en) 2001-03-31
ES2106675B1 (es) 1998-05-01
CN1062983C (zh) 2001-03-07
CA2137413A1 (fr) 1995-07-18
CA2137413C (fr) 2000-10-17
CZ4995A3 (en) 1995-08-16
PH30871A (en) 1997-12-23
PL175306B1 (pl) 1998-12-31
CN1109647A (zh) 1995-10-04
JPH07263044A (ja) 1995-10-13
BR9400114A (pt) 1995-09-26
PL306678A1 (en) 1995-07-24

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